EOL HF

Data EOL: temperature (°C), salinity and oxygen (µmol kg-1) - Full dataset

Full period (January 2014 - December 2022) - Temperature and Salinity

By autocorrelation + decompose function or Mann-Kendall : not possible because of gaps

##                       Slope     SE Slope      P Slope  Intercept   SE int.
## Salinity_ano    0.006824691 0.0004434603 2.590583e-53  -13.78382 0.8956567
## Temperature_ano 0.109580806 0.0025365236 0.000000e+00 -221.32602 5.1231510
##                       P int.         F    df         R2      P value
## Salinity_ano    2.590937e-53  236.8408 47148 0.00499824 2.590583e-53
## Temperature_ano 0.000000e+00 1866.3417 47949 0.03746520 0.000000e+00

Temperature

Salinity

Daily dataset (8AM-10AM from January 2014 to December 2022) - Temperature and Salinity

Missing values : - feb + march of 2014 (only one value for december) - may, august and september of 2016 - august and september of 2017 - april 2019

monthly_means_EOL2 <- ungroup(EOL_daily) %>%
  mutate(Month = format(datetime, format="%m")) %>%
  group_by(Month) %>%
  summarise(
    Salinity_month = mean(salinity, na.rm = TRUE),
    Temperature_month = mean(temperature, na.rm = TRUE))

monthly_means_EOL2
## # A tibble: 12 × 3
##    Month Salinity_month Temperature_month
##    <chr>          <dbl>             <dbl>
##  1 01              38.0              14.6
##  2 02              38.1              13.9
##  3 03              38.0              13.8
##  4 04              37.9              15.2
##  5 05              37.8              17.9
##  6 06              37.8              22.1
##  7 07              38.0              25.5
##  8 08              38.1              26.1
##  9 09              38.2              24.2
## 10 10              38.2              21.1
## 11 11              38.0              18.1
## 12 12              38.0              16.3
##                        Slope    SE Slope      P Slope   Intercept   SE int.
## Salinity_ano    0.0007892558 0.001666906 6.359082e-01   -1.593493  3.365454
## Temperature_ano 0.0507068168 0.009487740 9.879220e-08 -102.378689 19.156066
##                       P int.          F   df           R2      P value
## Salinity_ano    6.359085e-01  0.2241886 2495 8.984706e-05 6.359082e-01
## Temperature_ano 9.879443e-08 28.5632175 2529 1.116814e-02 9.879220e-08

Temperature

Salinity

Hourly dataset from January 2018 to December 2022 - Temperature, salinity, oxygen

monthly_means_EOL3 <- ungroup(EOL_hourly) %>% 
  mutate(Month = format(datetime, format="%m")) %>% 
  group_by(Month) %>%
  summarise(
    Salinity_month = mean(salinity, na.rm = TRUE),
    Temperature_month = mean(temperature, na.rm = TRUE),
    Oxygen_month = mean(oxygen, na.rm = TRUE),
    AOU_month = mean(AOU, na.rm = TRUE))

monthly_means_EOL3
## # A tibble: 12 × 5
##    Month Salinity_month Temperature_month Oxygen_month AOU_month
##    <chr>          <dbl>             <dbl>        <dbl>     <dbl>
##  1 01              38.0              14.6         246.     -1.36
##  2 02              38.1              13.9         252.     -4.23
##  3 03              38.0              13.9         258.     -9.57
##  4 04              37.9              15.1         259.    -16.8 
##  5 05              37.8              18.2         249.    -20.4 
##  6 06              37.8              22.4         230.    -18.0 
##  7 07              37.9              26.1         212.    -13.0 
##  8 08              38.1              26.7         207.    -10.3 
##  9 09              38.2              24.5         214.    -10.2 
## 10 10              38.1              21.2         227.    -11.0 
## 11 11              38.0              18.7         232.     -6.35
## 12 12              38.0              16.4         241.     -3.91
##                       Slope     SE Slope       P Slope   Intercept   SE int.
## Salinity_ano     0.02633193 0.0007535235 1.819614e-263   -53.20225  1.522454
## Temperature_ano  0.03265243 0.0040917828  1.502217e-15   -65.97407  8.267429
## Oxygen_ano      -1.46509596 0.0270575012  0.000000e+00  2960.14791 54.668245
## AOU_ano          1.34719913 0.0230784715  0.000000e+00 -2721.94370 46.628827
##                        P int.          F    df          R2       P value
## Salinity_ano    1.820137e-263 1221.15760 39007 0.030355792 1.819614e-263
## Temperature_ano  1.502241e-15   63.68042 39808 0.001597134  1.502217e-15
## Oxygen_ano       0.000000e+00 2931.95138 39006 0.069911650  0.000000e+00
## AOU_ano          0.000000e+00 3407.60703 39006 0.080342307  0.000000e+00

Temperature

Salinity

## Oxygen

AOU